This is a discussion on Synthetic everything as of today! within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I've been having a tranny problems the last few weeks. Took it to the dealer, they suggest I switch to ...

Synthetic everything as of today!

I've been having a tranny problems the last few weeks. Took it to the dealer, they suggest I switch to high perf. gear oil. So while I had the car up, I figured I'd change motor oil, tranny oil, and rear diff all at once. I changed to Amsoil 75W90 in the tranny and diff. and mobil 10W30 for the engine.

The transmission is 100% better, shifts are smoother, and less vibration.

Overall, the best 85 bucks I've spent in a long time.

"Beer is proof that God loves us and wants us to prosper." Ben Franklin

Originally posted by platano At 14???
shoot , I'd hit it at current age, on roof of the car, with cousin driving , neighbor and town priest in the back seat, and that kid from "N.Korea" riding shotgun.

Amsoil

I did the Amsoil tranny, engine, and Rear diff. also. I wasn't impressed with the tranny fluid until about 3-5 days later. Then it started to smooth everything out quite a bit. A friend told me that synthetics need some break in time to work right. Don't know if he was right but I can tell you it shifted way worse after I changed the fluid then about 3-5 days later, it really got more smooth. Very happy. I went to a driving school and autocross after 6 days and things went great(first place in STX and beat the Porshe at the school). Not to bad from a wagon with 4 sensible doors
1

I'll put another bump in for Amsoil 75W90 AGR. After failing completely to find any 75W90 dino oil, I just bit the bullet and changed to the amsoil. It's been fantastic so far, not a night and day improvement, but certainly noticeable, especially on cold mornings when shifting used to feel like rowing through molasses.

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